/* 
 * All content copyright Terracotta, Inc., unless otherwise indicated. All rights reserved. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 * use this file except in compliance with the License. You may obtain a copy 
 * of the License at 
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0 
 *   
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and limitations 
 * under the License.
 * 
 */

package org.quartz.examples.example6;

import static org.quartz.DateBuilder.nextGivenSecondDate;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;

import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.SimpleTrigger;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 这项工作演示了Quartz如何处理作业抛出的JobExecutionException。 *
 * 
 * @author Bill Kratzer
 */
public class JobExceptionExample {

	public void run() throws Exception {
		Logger log = LoggerFactory.getLogger(JobExceptionExample.class);

		log.info("------- Initializing ----------------------");

		// First we must get a reference to a scheduler
		// 获取调度器
		SchedulerFactory sf = new StdSchedulerFactory();
		Scheduler sched = sf.getScheduler();

		log.info("------- Initialization Complete ------------");

		log.info("------- Scheduling Jobs -------------------");

		// jobs can be scheduled before start() has been called
		// get a "nice round" time a few seconds in the future...
		// 返回下一个日期，这个日期据当前15秒后
		// 目的在于等所有的任务加入调度器
		Date startTime = nextGivenSecondDate(null, 15);

		// badJob1 will run every 10 seconds
		// this job will throw an exception and refire
		// immediately
		//BadJob1.class 内部有修复的措施
		JobDetail job = newJob(BadJob1.class).withIdentity("badJob1", "group1").usingJobData("denominator", "0")
				.build();

		SimpleTrigger trigger = newTrigger().withIdentity("trigger1", "group1").startAt(startTime)
				.withSchedule(simpleSchedule().withIntervalInSeconds(10).repeatForever()).build();

		Date ft = sched.scheduleJob(job, trigger);
		System.err.println("job1加入时间：" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
		log.info(job.getKey() + " will run at: " + ft + " and repeat: " + trigger.getRepeatCount() + " times, every "
				+ trigger.getRepeatInterval() / 1000 + " seconds");

		// badJob2 will run every five seconds
		// this job will throw an exception and never
		// refire
		job = newJob(BadJob2.class).withIdentity("badJob2", "group1").build();

		trigger = newTrigger().withIdentity("trigger2", "group1").startAt(startTime)
				.withSchedule(simpleSchedule().withIntervalInSeconds(5).repeatForever()).build();

		ft = sched.scheduleJob(job, trigger);
		log.info(job.getKey() + " will run at: " + ft + " and repeat: " + trigger.getRepeatCount() + " times, every "
				+ trigger.getRepeatInterval() / 1000 + " seconds");

		log.info("------- Starting Scheduler ----------------");

		// jobs don't start firing until start() has been called...
		sched.start();

		log.info("------- Started Scheduler -----------------");

		try {
			// sleep for 30 seconds
			Thread.sleep(30L * 1000L);
		} catch (Exception e) {
			//
		}

		log.info("------- Shutting Down ---------------------");

		sched.shutdown(false);

		log.info("------- Shutdown Complete -----------------");

		SchedulerMetaData metaData = sched.getMetaData();
		log.info("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");
	}

	public static void main(String[] args) throws Exception {

		JobExceptionExample example = new JobExceptionExample();
		example.run();
	}

}
